/Engine/Source/Editor/UnrealEd/Public/EditorViewportLayoutTwoPanes.h
FEditorViewportLayoutTwoPanesVert/////////////////////////////.
class FEditorViewportLayoutTwoPanesVert : public [TEditorViewportLayoutTwoPanes< EOrientation::Orient_Vertical >](API\Editor\UnrealEd\TEditorViewportLayoutTwoPanes)